# encoding: utf-8
# @author: __匸匿
"""
@license: 980980524@qq.com,
@contact: qq:980980524
@file: views.py
@time: 18-12-31 下午4:21
@desc:
"""
from flask import render_template, current_app, session, request, jsonify, g

from info import redis_store, constants
from info.models import User, News, Category
from info.utils.common import user_login_data
from info.utils.response_code import RET
from . import index_blu


@index_blu.route("/news_list")
def news_list():
    cid = request.args.get("cid","1")
    page = request.args.get("page","1")
    per_page = request.args.get("per_page","10")

    try:
        cid = int(cid)
        page = int(page)
        per_page = int(per_page)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.PARAMERR, errmsg="参数错误")

    filters = [News.status == 0]
    if cid != 1:
        filters.append(News.category_id == cid)
    try:
        paginate = News.query.filter(*filters).order_by(News.create_time.desc()).paginate(page,per_page,False)
    except Exception as e:
        current_app.logger.error(e)
        return jsonify(errno=RET.DBERR, errmsg="数据查询失败")

    news_model_list = paginate.items
    total_page = paginate.pages
    current_page = paginate.page

    news_dict_li = []
    for news in news_model_list:
        news_dict_li.append(news.to_basic_dict())
    data = {
        "total_page":total_page,
        "current_page":current_page,
        "news_dict_li":news_dict_li
    }
    return jsonify(errno=RET.OK, errmsg="OK",data=data)


@index_blu.route("/")
@user_login_data
def index():
    # 向redis 中保存一个值　'name'  'itcast'
    # redis_store.set('name','itcast')

    # # 获取到当前登录用户的id
    # user_id = session.get("user_id",None)
    # user = None
    # if user_id:
    #     try:
    #         user = User.query.get(user_id)
    #     except Exception as e:
    #         current_app.logger.errror(e)
    user = g.user

    news_list = []
     #右侧新闻排行
    try:
        news_list = News.query.order_by(News.clicks.desc()).limit(constants.CLICK_RANK_MAX_NEWS)
    except Exception as e:
        current_app.logger.error(e)

    news_dict_li = []
    #　遍历对象列表,将对象的字典添加字典列表中
    for news in news_list:
        news_dict_li.append((news.to_basic_dict()))

    catagories = Category.query.all()
    category_li = []
    for category in catagories:
        category_li.append(category.to_dict())

    data = {
        "user": user.to_dict() if user else None,
        "news_dict_li":news_dict_li,
        "category_li":category_li
    }
    return render_template('news/index.html',
                           data = data
                           )

#打开网页的时候，浏览器会默认请求跟路径＋favicon.ico作网页标签的小图标
@index_blu.route('/favicon.ico')
def favicon():
    return current_app.send_static_file('news/favicon.ico')